38432428 has 12 divisors (see below), whose sum is σ = 67439680. Its totient is φ = 19163952.

The previous prime is 38432413. The next prime is 38432441. The reversal of 38432428 is 82423483.

38432428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38432393 and 38432402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11388 + ... + 14371.

Almost surely, 2^38432428 is an apocalyptic number.

It is an amenable number.

38432428 is a deficient number, since it is larger than the sum of its proper divisors (29007252).

38432428 is a wasteful number, since it uses less digits than its factorization.

38432428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26136 (or 26134 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 38432428 is about 6199.3893247642. The cubic root of 38432428 is about 337.4680075756.

The spelling of 38432428 in words is "thirty-eight million, four hundred thirty-two thousand, four hundred twenty-eight".